Global Patent Index - EP 3708627 A1

EP 3708627 A1 20200916 - ROLL OF LAMINATE SHEET

Title (en)

ROLL OF LAMINATE SHEET

Title (de)

ROLLE EINER LAMINATFOLIE

Title (fr)

ROULEAU DE FEUILLES DE STRATIFIÉ

Publication

EP 3708627 A1 20200916 (EN)

Application

EP 20157673 A 20200217

Priority

JP 2019031687 A 20190225

Abstract (en)

Provided is a roll of laminate sheet. The laminate sheet comprises a PSA layer, and first and second films laminated on first and second faces of the PSA layer. Of the first and second films, at least one is a release film and the release film has surface roughness with a maximum height (Rz) of 400 nm or less on the PSA layer side surface. Of the first and second films, at least one has surface roughness with a maximum height (Rz) of 400 nm or greater on the surface opposite from the PSA layer.

IPC 8 full level

C09J 7/10 (2018.01); C09J 7/38 (2018.01); C09J 7/40 (2018.01)

CPC (source: CN EP KR)

B32B 7/12 (2013.01 - KR); B32B 27/08 (2013.01 - KR); C09J 7/10 (2017.12 - CN EP); C09J 7/22 (2017.12 - KR); C09J 7/38 (2017.12 - KR); C09J 7/385 (2017.12 - EP); C09J 7/40 (2017.12 - CN KR); C09J 7/403 (2017.12 - EP); C09J 133/04 (2013.01 - KR); C09J 133/066 (2013.01 - CN); C09J 2301/312 (2020.08 - KR); C09J 2301/416 (2020.08 - EP); C09J 2433/00 (2013.01 - CN EP); C09J 2467/005 (2013.01 - CN)

Citation (applicant)

Citation (search report)

  • [XI] DATABASE WPI Week 201467, 2 October 2014 Derwent World Patents Index; AN 2014-S06472, XP002799708
  • [T] "Polymer Handbook (4th Edition)", vol. 7, 1 January 1999, JOHN WILEY & SONS, ISBN: 978-0-47-116628-3, article RODNEY J. ANDREWS ET AL: "Glass Transition Temperatures of Polymers", pages: VI - 193, XP055207302

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3708627 A1 20200916; CN 111607336 A 20200901; CN 111607336 B 20231117; JP 2020132811 A 20200831; JP 7271219 B2 20230511; KR 20200103549 A 20200902

DOCDB simple family (application)

EP 20157673 A 20200217; CN 202010115137 A 20200225; JP 2019031687 A 20190225; KR 20200020806 A 20200220